Summary of C routines

ndfcaccess	To select a ndfy$\bf i$ data file other then the default.
ndfcatw	Returns the mass for the current target in AMU.
ndfcbuff	Provide memory allocated by the user to the ndf routines.
ndfcclose	Closes the opened ndfy$\bf i$ file.
ndfccorrec	Returns the transport-correcting cross-section for the current target.
ndfced	Returns the deposited energy for the requested transportable outgoing
	particle for the current target.
ndfcemax	Returns the total available energy for the current target.
ndfcep	Returns the production energy for the current target.
ndfcfism	Returns the fission matrix for the current target.
ndfcfisx	Returns the fission < $\nu$$\sigma$ > g for the current target.
ndfcflxw	Returns the collapsed flux weights for l = 0.
ndfcflxw_l	Returns the collapsed flux weights for the requested Legendre order.
ndfcfsp	Returns the normalized fission spectrum for the current target.
ndfcgid	Returns the group id of the uncollapsed energy boundaries of the incident
	particle.
ndfcgp	Returns the uncollapsed energy boundaries of the incident particle.
ndfcgroup	Provides the user supplied information needed for collapsing of the data.
ndfcidog	Reads an energy group from a bdfls file.
ndfcifsp	Returns a flag indicating whether or not fission data is present.
ndfcinfo	Returns the path of the opened ndfy$\bf i$ file.
ndfcinit	Opens an ndfy$\bf i$ file.
ndfciso	Selects a target from the opened ndfy$\bf i$ file.
ndfcistab	Returns the list of targets in the opened ndfy$\bf i$ file.
ndfcmxorder	Returns the maximum Legendre order in the opened ndfy$\bf i$ file.
ndfcmxorder_tc	Returns the maximum Legendre order allowed by the current transport
	correction method.
ndfcncorrec	Returns the length of data in 'double' words required by ndfcorrec.
ndfcngroup	Returns the number of collapsed groups.
ndfcngroups	Returns the number of uncollapsed groups.
ndfcnistab	Returns the number of targets in the opened ndfy$\bf i$ file.
ndfcnmaxgps	Returns the largest group size used in processing the opened ndfy$\bf i$ file.
ndfcnppyos	Returns the number of transportable outgoing particles for which a
	production transfer matrix exist for the current target.
ndfcnprod	Returns the number of outgoing particles produced for the requested reaction
	for the current target.
ndfcnreact	Returns the number of reactions for the current target.
ndfcnrxs	Returns the number of reactions of type C for the current target.
ndfcnyos	Returns the number of transportable outgoing particles for the current target.
ndfcopen	Opens an ndfy$\bf i$ file. Replaces ndfcinit and ndfbuff.
ndfcpmat	Returns the collapsed production transfer matrix and the corrected, collapsed,
	deposited energy
ndfcppmatrix	Returns the uncollapsed production transfer matrix for the requested outgoing
	particle for the current target.
ndfcppyos	Returns the list of transportable outgoing particles for which there are
	production transfer matrices for the current target.
ndfcprod	Returns the ZA and multiplicity lists for particles produced by the requested
	reaction for the current target.
ndfcreact	Returns a list of C-values for the reactions for the current target.
ndfcrxs	Returns the requested reaction's cross-section data for the current target.
ndfcrxslevel	Returns S-, Q-, X1-, X2-, X3-, Q eff-values and the cross-section for the
	requested level of the requested reaction for the current target.
ndfcrxslist	Returns a list of S-, Q-, X1-, X2-, X3- and Q eff-values for the requested
	reaction for the current target.
ndfcsig	Returns the total cross-section (transport corrected), interaction transfer
	matrix (yi $\rightarrow$ yo for yi = yo transport corrected),
	energy deposited by yo = yi and the transport correcting cross-section for
	the requested Legendre order for the current target.
ndfcsp	Returns the group speeds for the opened ndfy$\bf i$ file.
ndfctotal	Returns the uncorrected total cross-section for the current target.
ndfctransfer	Returns the uncollapsed, uncorrected interaction transfer matrix for the
	requested Legendre order for the current target.
ndfctrcorr	Sets the desired transport correction method.
ndfcwsp	Returns the collapsed normalized l = 0 flux.
ndfcyo	Returns the jth id from the particle directory of the global data section.
ndfcyos	Returns a list of transportable outgoing particles with energy deposit data for
	the current target.
ndfcyo_gid	Returns the group id for the requested particle type.
ndfcyo_iecflg	Returns the conservation flag, iecflg, for the requested transportable
	outgoing particle.
ndfcyo_nego	Returns the number of energy groups, nh, for the requested transportable
	outgoing particle.